Samuel G. Arnold

Samuel Greene Arnold Jr. (12 April 1821-14 February 1880) was a US Senator from Rhode Island (R) from 1 December 1862 to 3 March 1863, succeeding James F. Simmons and preceding William Sprague.

Biography
Samuel Greene Arnold Jr. was born in Providence, Rhode Island in 1821, and he worked as a lawyer before serving as Lieutenant Governor from 1852 to 1853 and from 1861 to 1862; he was nominated by the Constitutional Union Party and the Democrats in 1861. In 1861, following the resignation of James F. Simmons from the US Senate, Arnold was appointed to the US Senate to finish his term, serving until the term ended in March 1863. He went on to serve as President of the Rhode Island Historical Society from 1868 to 1880, when he died. His grandnephew Theodore Francis Green was also a US Senator from Rhode Island.